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8030030 = 2553109139
BaseRepresentation
bin11110101000011101001110
3120002222010112
4132220131032
54023430110
6444040022
7125153111
oct36503516
916088115
108030030
114595098
122833012
131881cc8
1410d0578
15a89405
hex7a874e

8030030 has 32 divisors (see below), whose sum is σ = 14968800. Its totient is φ = 3100032.

The previous prime is 8030021. The next prime is 8030039. The reversal of 8030030 is 300308.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8030021) and next prime (8030039).

It is a junction number, because it is equal to n+sod(n) for n = 8029987 and 8030014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8030039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57701 + ... + 57839.

It is an arithmetic number, because the mean of its divisors is an integer number (467775).

Almost surely, 28030030 is an apocalyptic number.

8030030 is a deficient number, since it is larger than the sum of its proper divisors (6938770).

8030030 is a wasteful number, since it uses less digits than its factorization.

8030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 8030030 is about 2833.7307564411. The cubic root of 8030030 is about 200.2499375261.

Adding to 8030030 its reverse (300308), we get a palindrome (8330338).

The spelling of 8030030 in words is "eight million, thirty thousand, thirty".

Divisors: 1 2 5 10 53 106 109 139 218 265 278 530 545 695 1090 1390 5777 7367 11554 14734 15151 28885 30302 36835 57770 73670 75755 151510 803003 1606006 4015015 8030030